package cc.verywell.pureblock.util;

import java.nio.ByteBuffer;
import java.security.PrivateKey;
import java.security.PublicKey;
import java.security.SignatureException;

/**
* 
*
* @author TanYaqiu 
* @address flat 601
* @date 2019年3月2日 上午11:38:57
*/
public interface SignServer  extends EncryptUtil {
	@Override
	public PublicKey getKey();
	public PrivateKey keyPrivate();
	public byte[] sign(ByteBuffer bb) throws SignatureException;
}
